Home / 36,379.28-50,188.74-21,055.70

Finding the Fourth Proportional to 36,379.28, 50,188.74 and 21,055.70

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Solution

The fourth proportional to 36,379.28, 50,188.74 and 21,055.70 is: 29,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,379.28 : 50,188.74 = 21,055.70 : x
  2. Step 2: Convert to fraction form
    36,379.28/50,188.74 = 21,055.70/x
  3. Step 3: Cross multiply
    36,379.28x = 50,188.74 × 21,055.70
  4. Step 4: Simplify right side
    36,379.28x = 1,056,759,052.82
  5. Step 5: Solve for x
    x = 1,056,759,052.82/36,379.28
  6. Step 6: Final answer
    x = 29,048.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.